EP0421328B1 - Toilettenseife - Google Patents
Toilettenseife Download PDFInfo
- Publication number
- EP0421328B1 EP0421328B1 EP90118816A EP90118816A EP0421328B1 EP 0421328 B1 EP0421328 B1 EP 0421328B1 EP 90118816 A EP90118816 A EP 90118816A EP 90118816 A EP90118816 A EP 90118816A EP 0421328 B1 EP0421328 B1 EP 0421328B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- dimethylamine
- trialkylamine
- fatty acid
- weight percent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C291/00—Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00
- C07C291/02—Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00 containing nitrogen-oxide bonds
- C07C291/04—Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00 containing nitrogen-oxide bonds containing amino-oxide bonds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/75—Amino oxides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/045—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on non-ionic surface-active compounds and soap
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/126—Acylisethionates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Definitions
- Trialkylamine oxides are known to have excellent foaming properties which would render their use in toilet bars highly desirable (Kamen et al. US-A-3,562,167). Such trialkylamine oxides are conventionally made by reacting a trialkylamine having at least one detergent range alkyl group with agueous hydrogen peroxide. The trialkylamine oxide that forms has a tendency to form gels in the agueous reaction medium. Because of this, it has been necessary in the commercial production of trialkylamine oxides to limit their concentrations to no more than 30 weight percent (e.g., Ammonyx LO, 30 weight percent agueous lauryl dimethylamine oxide, Onyx Chemical Co.).
- Ammonyx LO 30 weight percent agueous lauryl dimethylamine oxide
- detergent bars useful as toilet bars such as facial soap or in other personal hygiene applications can be made by mixing certain trialkylamine oxide dihydrates with other conventional detergent bar components and molding or extruding and stamping the mixture into toilet soap bar form.
- a preferred embodiment of the invention is a method of making a detergent bar suitable for use as toilet soap, said method comprising mixing trialkylamine oxide dihydrate having the structure: R'R''R''NO ⁇ 2H2O wherein R' is a primary alkyl containing 8-24 carbon atoms, R'' is methyl, ethyl or a primary alkyl containing 8-24 carbon atoms and R''' is methyl or ethyl, into a detergent bar formulation in an amount to provide 5-80 weight percent of resultant detergent bar.
- the essential trialkylamine oxide dihydrates can be made by a process in which the appropriate amine is reacted with at least a stoichiometric amount of concentrated (e.g., 50-70 weight percent active) hydrogen peroxide in an organic ester solvent (e.g., ethyl acetate) in an amount sufficient to maintain a fluid reaction mixture. Reaction temperatures of 25-100°C can be used. A preferred range is 60-75°C. Carbon dioxide can be injected to promote the reaction. Use of 1.2 theories of 70 weight percent hydrogen peroxide results in a final reaction mixture which contains 2 moles of water per mole of amine oxide. If more water than this is present, it should be distilled out to obtain a 2/1 water/amine oxide mole ratio.
- concentrated e.g., 50-70 weight percent active
- organic ester solvent e.g., ethyl acetate
- the organic ester solution can then be cooled causing the amine oxide dihydrate to crystallize.
- the organic ester can be distilled out at atmospheric pressure or under vacuum to obtain the amine oxide dihydrate as the residue. It was surprisingly found that the tert-amine oxide dihydrate was not hygroscopic.
- Trialkylamines useful in making the tert-amine oxide dihydrate are those having the formula R'R''R'' N wherein R', R'' and R''' are as previously defined. Representative examples of these are: n-octyl diethylamine n-decyl dimethylamine n-decyl diethylamine n-dodecyl dimethylamine n-dodecyl diethylamine n-tetradecyl dimethylamine n-hexadecyl diethylamine n-octadecyl dimethylamine n-eicosyl dimethylamine di-(n-octyl) methylamine di-(n-decyl) methylamine di-(n-dodecyl) ethylamine di-(n-tetradecyl) methylamine di-(n-hexadecyl) ethylamine di-(n-oct
- a still more preferred class of tert-amines consists of those in which R' is a C8 ⁇ 24 primary alkyl, R'' is methyl or a C8 ⁇ 24 primary alkyl and R''' is methyl.
- R' is a C8 ⁇ 24 primary alkyl
- R'' is methyl or a C8 ⁇ 24 primary alkyl
- R''' is methyl. Examples of these are: octyl dimethylamine decyl dimethylamine dodecyl dimethylamine tetradecyl dimethylamine hexadecyl dimethylamine eicosyl dimethylamine docosyl dimethylamine tetracosyl dimethylamine dioctyl methylamine didecyl methylamine didodecyl methylamine decyl dodecyl methylamine ditetradecyl methylamine tetradecyl octyl methylamine and including mixtures thereof.
- the amount of the trialkylamine oxide dihydrate in the detergent bar can vary from 5-80 weight percent. A preferred amount is 10-50 weight percent and most preferably 25-40 weight percent.
- glycerol or other polyol moisturizers include glycerol or other polyol moisturizers, fragrance, bactericide, fungicide, dye, fatty acids (e.g., stearic acid), polyglycols, alkanol amines (e.g., triethanol amines), witch hazel, citric acid, opalescent agents, opacity agents and water.
- the resultant detergent bar is referred to as a "combar" meaning it contains the combination of a fatty acid soap and a synthetic detergent.
- Useful fatty acids are those in the so-called detergent range of C12 to C18 such as tallow acid, oleic acid, stearic acid and coco acid.
- Neutralizing agents include alkali metal hydroxides and tert-amines such as triethanol amine and coco diethanol amine.
- the amount of fatty acid soap in a combar can range from 10 to 90 weight percent.
- Other synthetic detergents may be used in combination with the present trialkylamine oxide dihydrates. These include sodium cocyl N-methyl tauride, tallow ester of sodium isethionate, sodium oleylsulfate, sodium mono-lauryl sulfosuccinate, sodium salt of mono-oleic acid ester of glycerol sulfate, sodium lauryl sulfoacetate, sodium isostearoyl-2-lactylate, sodium cocyl isethionate, lauryl diethanolamide.
- the amount of synthetic detergent other than the trialkylamine oxide dihydrate in the toilet bar can vary widely from none to 80 weight percent. A useful range is 10-75 weight percent.
- the toilet bar can be made using both a fatty acid soap and a synthetic detergent other than trialkylamine oxide dihydrate.
- the trialkylamine oxide dihydrate can be mixed with the other ingredients in the detergent bar formulation by any of the known procedures. After the trialkylamine oxide dihydrate is blended into the formulation, the mixture should not be heated over 120°C and preferably not over 100°C. The trialkylamine oxide decomposes at elevated temperatures.
- a useful method to prepare the formulation is to pre-mix all ingredients that require drying such as the wet soap noodles and to heat this pre-mixture to drive off water to the desired water content (ca 10%).
- the dehydrated mixture is then fed to a 3-roll mill together with the trialkylamine oxide dihydrate and any other ingredients desired and the mixture is thoroughly blended.
- the blended mixture is extruded in a plodder to form an elongated log.
- the elongated log is cut into soap bar size segments and each segment is placed in a two-piece mold which is compressed to form the final detergent bar.
- the trialkylamine oxide dihydrates may be added as a liquid or as a solid.
- the low carbon number dihydrates are liquids under ambient conditions. For example, octyl dimethylamine oxide dihydrate melts at 15°C. Decyl dimethylamine oxide dihydrate melts at 22-23°C. The more preferred C12 and higher alkyl dimethylamine oxide dihydrates melt above 30°C.
- n-dodecyl dimethylamine oxide dihydrate melts at 30-31°C
- tetradecyl dimethylamine oxide dihydrate melts at 41-42°C
- hexadecyl dimethylamine oxide dihydrate melts at 49-50°C
- octadecyl dimethylamine oxide dihydrate melts at 61-62°C.
- the solid amine oxide dihydrates may be added as a solid, e.g., crystals, flakes or chunks, or may be melted and added in molten form.
- the mixture is thoroughly blended in the mill and then extruded through a plodder to form an elongated (1 1/2 inches) 38.1 microns in diameter.
- the log is cut into 3-inch segments, each of which is placed into one cavity of 2-piece mold. The mated mold member is compressed to form the finished soap bar.
- a crutcher mixing vessel is placed 10 parts of a sodium fatty acid (70/30 tallow/coco acids) soap containing 10 weight percent water, 60 parts sodium cocoyl isetheonate, 5 parts stearic acid and 25 parts tetradecyl dimethylamine oxide dihydrate.
- the mixture is passed through a plodder and extruded to form noddles.
- the noodles are further blended in a multi-roll mill and the milled sheet again proaccessed through a plodder and extruded in a ribbon form.
- the ribbon is cut into segments approximating the size of the desired toilet bar and each segment is stamped to final form.
- detergent bar formulations can be prepared following the above procedure using an appropriate trialkylamine oxide dihydrate and any of the many other components conventionally used in toilet soaps.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (9)
- Verfahren zur Herstellung eines für die Verwendung als Toilettenseife geeigneten Detergenzstücks, bei dem Trialkylaminoxiddihydrat mit der Struktur
R'R''R'''NO · 2H₂O,
in der R' ein primärer Alkylrest mit 8 bis 24 Kohlenstoffatomen, R'' Methyl, Ethyl oder ein primärer Alkylrest mit 8 bis 24 Kohlenstoffatomen und R''' Methyl oder Ethyl bedeutet, in einer Menge in eine Formulierung für ein Detergenzstück eingemischt wird, daß es etwa 5 bis 80 Gew.-% des entstehenden Detergenzstücks ausmacht. - Verfahren nach Anspruch 1, bei dem R'' und R''' Methylgruppen sind.
- Verfahren nach Anspruch 2, bei dem R' ein linearer primärer Alkylrest mit 8 bis 24 Kohlenstoffatomen ist.
- Verfahren nach Anspruch 3, das außerdem durch den Zusatz einer Fettsäureseife zu der Detergenzstückformulierung gekennzeichnet ist.
- Verfahren nach Anspruch 4, bei dem in der Detergenzstückformulierung außerdem noch ein anderes synthetisches Detergenz als Trialkylaminoxid enthalten ist.
- Verfahren nach Anspruch 5, bei dem das synthetische Detergenz das Natriumsalz eines Fettsäureamids des N-Methyltaurids ist.
- Verfahren nach Anspruch 5, bei dem das synthetische Detergenz das Natriumsalz eines Fettsäureesters der Isethionsäure ist.
- Verfahren nach Anspruch 5, bei dem das synthetische Detergenz das Natriumsalz eines Fettalkoholsulfats ist.
- Verfahren nach Anspruch 3, das außerdem durch den Zusatz einer Fettsäure zu dieser Detergenzstückformulierung gekennzeichnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/415,886 US5055233A (en) | 1989-04-26 | 1989-10-02 | Detergent bar process using trialkylamine oxide dihydrate |
US415886 | 1995-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0421328A1 EP0421328A1 (de) | 1991-04-10 |
EP0421328B1 true EP0421328B1 (de) | 1995-08-30 |
Family
ID=23647624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90118816A Expired - Lifetime EP0421328B1 (de) | 1989-10-02 | 1990-10-01 | Toilettenseife |
Country Status (5)
Country | Link |
---|---|
US (1) | US5055233A (de) |
EP (1) | EP0421328B1 (de) |
JP (1) | JP2848535B2 (de) |
CA (1) | CA2025974A1 (de) |
DE (1) | DE69021973T2 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292955A (en) * | 1991-07-26 | 1994-03-08 | Ethyl Corporation | Amine oxide complexes |
DE19520270A1 (de) * | 1995-06-02 | 1996-12-05 | Basf Ag | Verfahren zur Herstellung von Aminoxiden |
US5502188A (en) * | 1995-06-07 | 1996-03-26 | Basf Corporation | Production of almost colorless solutions of n-methylmorpholine oxide |
WO1998055586A1 (en) * | 1997-06-03 | 1998-12-10 | The Procter & Gamble Company | Laundry bar compositions containing solid amine oxide surfactant composition |
AU3153697A (en) * | 1997-06-03 | 1998-12-21 | Procter & Gamble Company, The | A process employing an amine oxide/acid premix for making laundry detergent compositions |
AU3226897A (en) * | 1997-06-03 | 1998-12-21 | Procter & Gamble Company, The | A laundry bar comprising soap, linear alkyl benzene sulfonate and amine oxide |
AU3295597A (en) * | 1997-06-03 | 1998-12-21 | Procter & Gamble Company, The | A process for incorporating amine oxide into laundry bars |
US6080714A (en) * | 1997-11-20 | 2000-06-27 | Akzo Nobel Nv | Solid composition comprising an amphoteric surfactant, a process for its preparation, and the use thereof |
US8249287B2 (en) | 2010-08-16 | 2012-08-21 | Bose Corporation | Earpiece positioning and retaining |
NO328038B1 (no) | 2007-06-01 | 2009-11-16 | Freebit As | Forbedret oreenhet |
USD659117S1 (en) | 2010-08-10 | 2012-05-08 | Bose Corporation | Set of headphones |
US8311253B2 (en) | 2010-08-16 | 2012-11-13 | Bose Corporation | Earpiece positioning and retaining |
USD655693S1 (en) | 2010-08-20 | 2012-03-13 | Bose Corporation | Earpiece |
US8737669B2 (en) | 2011-07-28 | 2014-05-27 | Bose Corporation | Earpiece passive noise attenuating |
NO2690883T3 (de) | 2012-07-27 | 2018-03-10 | ||
US9462366B2 (en) | 2014-03-27 | 2016-10-04 | Bose Corporation | Earpieces having flexible flaps |
US11166093B2 (en) | 2019-03-19 | 2021-11-02 | Logitech Europe S.A. | Earphone device support and case |
USD1002583S1 (en) | 2020-12-02 | 2023-10-24 | Logitech Europe S.A. | Combined earphone and earphone case |
USD969772S1 (en) | 2020-12-02 | 2022-11-15 | Logitech Europe S.A. | Earphone |
USD974038S1 (en) | 2020-12-02 | 2023-01-03 | Logitech Europe S.A. | Earphone case |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE622461A (de) * | 1959-04-20 | |||
NL286242A (de) * | 1961-12-04 | |||
US3312627A (en) * | 1965-09-03 | 1967-04-04 | Procter & Gamble | Toilet bar |
JPS6024836B2 (ja) * | 1979-10-29 | 1985-06-14 | ライオン株式会社 | 固型洗浄剤組成物 |
JPS6033160B2 (ja) * | 1980-10-28 | 1985-08-01 | ライオン株式会社 | 固型洗浄剤 |
US4290904A (en) * | 1980-12-01 | 1981-09-22 | Neutrogena Corporation | Transparent soap |
US4748275A (en) * | 1986-09-08 | 1988-05-31 | Ethyl Corporation | Non-hygroscopic trialkylamine oxides |
US4960934A (en) * | 1989-10-27 | 1990-10-02 | Ethyl Corporation | Amine oxide process |
-
1989
- 1989-10-02 US US07/415,886 patent/US5055233A/en not_active Expired - Fee Related
-
1990
- 1990-09-21 CA CA002025974A patent/CA2025974A1/en not_active Abandoned
- 1990-09-27 JP JP2255451A patent/JP2848535B2/ja not_active Expired - Fee Related
- 1990-10-01 DE DE69021973T patent/DE69021973T2/de not_active Expired - Fee Related
- 1990-10-01 EP EP90118816A patent/EP0421328B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03179099A (ja) | 1991-08-05 |
EP0421328A1 (de) | 1991-04-10 |
DE69021973D1 (de) | 1995-10-05 |
DE69021973T2 (de) | 1996-02-15 |
JP2848535B2 (ja) | 1999-01-20 |
CA2025974A1 (en) | 1991-04-03 |
US5055233A (en) | 1991-10-08 |
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